# Installer fernflower avec Homebrew, dnf

Consultez les chemins d'installation, exécutables, métadonnées et notes de sécurité de fernflower pour les workflows d'agents IA.

## installation

```sh
sudo av install brew:fernflower
```

Commandes d'installation supplémentaires:

### macOS

- Homebrew (100%):

```sh
brew install fernflower
```

  Preuve: local Homebrew formula metadata

### Linux

- dnf (92%):

```sh
sudo dnf install fernflower
```

  Preuve: Fedora Rawhide package metadata: fernflower from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst

## Faits du paquet

- **Clé du paquet:** brew:fernflower
- **Gestionnaire de paquets:** Homebrew
- **Version:** 262.8665.337
- **Résumé source:** Advanced decompiler for Java bytecode
- **Page d'accueil:** <https://github.com/JetBrains/fernflower>
- **Dernière mise à jour:** 2026-07-23T18:23:56Z
- **Généré:** 2026-08-03T19:37:03+00:00

## exécutables

- fernflower (alias)

## Comportement d'installation

- Bouteille: non disponible

## Version et fraîcheur

- page générée: 2026-08-03
- version du gestionnaire: 262.8665.337
## Historique du projet et usages

Fernflower is JetBrains' Java bytecode decompiler engine. Its README describes it as an analytical Java decompiler, bundled in IntelliJ IDEA for viewing Java source while debugging or navigating class files, and usable as a standalone command-line JAR.

### Historique du projet

Fernflower predates its current GitHub repository history: the README credits the original development to Stiver and says JetBrains has maintained it since 2014. The GitHub repository itself was created in October 2014 and points to the IntelliJ Community repository as the release location.

The project became part of the wider IntelliJ Java tooling stack rather than a standalone decompiler-only product. Its repository README tells contributors to send patches through the IntelliJ Community project, and its issue tracker route is the IntelliJ IDEA `Java. Decompiler. Engine` subsystem.

### Historique d'adoption

Fernflower's main adoption channel is IntelliJ IDEA, where it is bundled for class-file navigation and debugging. Package-manager adoption gives command-line users a standalone `fernflower` executable or wrapper without needing to extract the engine from an IDE installation.

The README also notes that patches from ForgeFlower were merged and that a long-running mirror by Andrew McRae existed, which reflects Fernflower's role in the broader Java reverse-engineering and Minecraft-modding adjacent decompiler ecosystem.

### Modes d'utilisation

Standalone usage runs `java -jar fernflower.jar` with options, one or more class/JAR/ZIP sources, and an output destination. The documented options cover generic signatures, inner classes, synthetic members, lambda handling, identifier renaming, logging, line endings, indentation, and other decompiler behavior.

Inside IntelliJ IDEA, Fernflower is used implicitly when a developer opens or debugs against compiled Java classes without source attached. That dual IDE-and-CLI role is why it is useful both to Java developers and to package users who want scriptable decompilation.

### Pourquoi les passionnés de paquets s'y intéressent

Fernflower matters in package culture because it packages a decompiler engine from a large IDE ecosystem into a small command-line tool. It also sits at an interesting boundary: official releases are tied to JetBrains' IntelliJ infrastructure, while downstream package managers expose it as a normal CLI.

For Java tooling maintainers, it is a notable example of an IDE component with standalone utility, Apache-licensed source, and ongoing relevance as Java bytecode features evolve.

### Chronologie

- 2014: JetBrains begins maintaining Fernflower and the public GitHub repository is created.
- 2014 onward: Fernflower is maintained as part of the IntelliJ Java decompiler engine.
- 2026: GitHub repository metadata shows continuing updates.

### Related projects

- Fernflower is related to IntelliJ IDEA, the IntelliJ Community repository, ForgeFlower, and the wider family of Java bytecode decompilers used by developers and reverse engineers.

### Sources

- <https://github.com/JetBrains/fernflower>
- <https://github.com/JetBrains/fernflower/blob/master/README.md>
- <https://api.github.com/repos/JetBrains/fernflower>
- <https://formulae.brew.sh/formula/fernflower>


## Notes de sécurité

Aucun manifest local de gestion des secrets correspondant n'a été trouvé pour fernflower. Les métadonnées de paquet Nucleus restent publiées ici afin que la couverture future dispose d'une URL stable.


## Autres enregistrements de gestionnaires de paquets

- dnf - fernflower - 211.7442.40-18.fc45: normalized package name match | Fedora Rawhide package metadata: fernflower from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | JIdea's java decompiler | https://github.com/JetBrains/intellij-community/tree/master/plugins/java-decompiler/engine
- dnf - fernflower-javadoc - 211.7442.40-18.fc45: normalized package name match | Fedora Rawhide package metadata: fernflower-javadoc from https://dl.fedoraproject.org/pub/fedora/linux/development/rawhide/Everything/x86_64/os/repodata/07190dc5ae9f35ae73866675fed6d95fe6e8d9fe22c9d7cdf85862cb2ed24a4c-primary.xml.zst | fernflower API documentation | https://github.com/JetBrains/intellij-community/tree/master/plugins/java-decompiler/engine


## Combined YAML source

View the package source record on GitHub. [combined/fernflower.yml](https://github.com/mxcl/pkgdb/blob/main/combined/fernflower.yml)


## Sources

- pkg.so package database
- Geiger risk classifier
- curated package history
- pkgdb category and tag curation
- external package-manager database matches
- cross-ecosystem install command graph